Fuel Injector: Service and Repair
REMOVAL1. Perform pre-service and fuel pressure release procedures. Service and Repair
2. Remove upper intake manifold.
3. Carefully remove connectors from fuel charging wiring to individual fuel injectors as required.
4. Remove fuel injection supply manifold.
Fuel Injector:
5. Remove fuel injector retaining clips as required.
6. Grasping fuel injector body, pull up while gently rocking fuel injector from side to side.
7. Inspect fuel injector O-rings (two per fuel injector) for signs of deterioration. Replace as required.
8. Inspect fuel injector body, end cap and washer for signs of dirt and deterioration.
INSTALLATION
1. Lubricate O-rings with clean engine oil meeting Ford specification WSS-M2C153-G and install on each fuel injector.
CAUTION: Never use silicone grease. Silicone grease will clog the fuel injectors.
2. Install fuel injectors. Use a light twisting, pushing motion.
3. Reinstall fuel injector retaining clips as required.
CAUTION: The retaining clip must be in the upper groove on the injector or the injector may become loose.
4. Install fuel injection supply manifold.
5. Install connectors from engine control sensor extension wire to fuel injectors.
6. Install upper intake manifold. Perform post-service procedures. Service and Repair